Listed below are some free programs for monitoring and configuring routers:
- Routerstats and Routerstats-Lite - programs to monitor router noise margins, connection speeds, etc.
- DMT Tool - Router Interface which reveals information from your router and allows some configuration changes via a GUI.
- DSLstats programs for Linux and Windows to monitor DSL connections using Broadcom-based routers.
This page links to wiki pages for this software.